What's the difference between marker and pen?

Marker


Definition:

  • (n.) One who or that which marks.
  • (n.) One who keeps account of a game played, as of billiards.
  • (n.) A counter used in card playing and other games.
  • (n.) The soldier who forms the pilot of a wheeling column, or marks the direction of an alignment.
  • (n.) An attachment to a sewing machine for marking a line on the fabric by creasing it.

Example Sentences:

  • (1) These variants may serve as useful gene markers in alcohol research involving animal model studies with inbred strains in mice.
  • (2) Activity of Na,K-ATPase activity was measured as a functional marker for synaptosomal membranes.
  • (3) Anti-Leu 7 could not be considered as a specific marker for oligodendroglioma.
  • (4) Serum samples from 23 families, including a total of 48 affected children, were tested for a set of "classical markers."
  • (5) On removal of selective pressure, the His+ phenotype was lost more readily than the Ura+ Trp+ markers, with a corresponding decrease in plasmid copy number.
  • (6) In spite of dense lymphocytic infiltration only 3% of the tumor infiltrating lymphocytes exhibit the activation marker CD 25.
  • (7) Twelve families with Wiskott-Aldrich syndrome (WAS) were studied by linkage analysis using 10 polymorphic marker loci from the X-chromosome pericentromeric region.
  • (8) These results indicate that HBV markers in cord blood are either false-positive or due to contamination by maternal blood rather than an indication of in utero infection.
  • (9) From the biochemical markers in follicular fluid, cyclic adenosine monophosphate has a distinct predictive value in regard to pregnancy in in vitro fertilization-embryo transfer cycles.
  • (10) We therefore enumerated the percentage of Leu2a+ cells as well as the occurrence of HLA-DR activation markers within this population.
  • (11) During the digestion of these radiolabeled bacteria, murine bone marrow macrophages produced low-molecular-weight substances that coeluted chromatographically with the radioactive cell wall marker.
  • (12) Thus, our results indicate that calbindin-D28k is a useful marker for the projection system from the matrix compartment and that its expression is modified in patients with progressive supranuclear palsy and striatal degeneration.
  • (13) The telencephalon of teleost fish shows high affinity uptake for D-[3H]aspartate, intermediate levels of GABAergic markers and low levels of cholinergic enzymes.
  • (14) The presence of these markers has facilitated the identification and characterization of the mononuclear cells in a number of animal and human lymphoid malignancies.
  • (15) The independent but combined use of both antigens, appreciably raises the diagnostic success percentage with regard to that obtained when only one tumour marker was used.
  • (16) Maternal plasma levels of cortiocotrophin-releasing factor (CRF) have been measured in abnormal pregnancy states to assess their potential as biochemical markers for at-risk pregnancies.
  • (17) Improvement of its particularly poor prognosis requires therefore early screening based on reliable biological markers.
  • (18) The summary statistics examined are (a) the slope of the least-squares regression of the marker, (b) the average of the last r measurements, and (c) the difference between the averages of the last r and the first s measurements.
  • (19) A 6.4 kilobase C4B-5'-specific Taq I fragment usually provided a reliable guide to the presence of a C4A deletion but unusually in one instance this fragment was found to be a marker of a functioning C4A gene.
  • (20) The availability of locus-specific probes should significantly expand the role of minisatellite markers in population biology.

Pen


Definition:

  • (n.) A feather.
  • (n.) A wing.
  • (n.) An instrument used for writing with ink, formerly made of a reed, or of the quill of a goose or other bird, but now also of other materials, as of steel, gold, etc. Also, originally, a stylus or other instrument for scratching or graving.
  • (n.) Fig.: A writer, or his style; as, he has a sharp pen.
  • (n.) The internal shell of a squid.
  • (n.) A female swan.
  • (v. t.) To write; to compose and commit to paper; to indite; to compose; as, to pen a sonnet.
  • (n. & v.) To shut up, as in a pen or cage; to confine in a small inclosure or narrow space; to coop up, or shut in; to inclose.
  • (n.) A small inclosure; as, a pen for sheep or for pigs.

Example Sentences:

  • (1) Why bother to put the investigators, prosecutors, judge, jury and me through this if one person can set justice aside, with the swipe of a pen.
  • (2) And if the Brexit vote was somehow not respected by Westminster, Le Pen could be bolstered in her outrage.
  • (3) Auranofin (AF), D-penicillamine (D-pen) and thiola are prescribed as disease-modifying drugs in the treatment of rheumatoid arthritis (RA).
  • (4) It’s clear which way the ultra-right community around Ukip wishes to go: their timelines are full of praise for Marine Le Pen and Geert Wilders , and blazing with imagery – both real and fake – of migrant riots in France and Sweden.
  • (5) Superman fans are up in arms at the decision of the publisher to appoint a noted anti-gay writer to pen the Man of Steel's latest adventures.
  • (6) By moving an electronic pen over a digitizing tablet, the subject could explore a line drawing stored in memory; on the display screen a portion of the drawing appeared to move behind a stationary aperture, in concert with the movement of the pen.
  • (7) Left ventricular cavity and muscle areas of each image were planimetered with a light-pen system and summated for volume: total volume = sigma (areas x 3 mm).
  • (8) The integrated sensing system is an ideal instrumental set up for viewing and recording the behaviour of rodents as well as other animals in the experimental pen throughout the year under varying weather and light conditions.
  • (9) The pullets were housed in battery brooder pens with raised wire floors.
  • (10) The dogs were housed in gravel-based, outdoor pens with doghouses in a high-altitude, high-sunshine level environment.
  • (11) There is a simple solution, formulated by English PEN, the Manifesto Club and the Earl of Clancarty, who raised the matter in the Lords earlier this year: remove short-term visits by non-EU artists from the PBS and expand the entertainer route, letting paid and unpaid artists qualify.
  • (12) In France last year, Marine Le Pen scored 18% in the presidential election and is now powering ahead against François Hollande, while in the Netherlands Geert Wilders' Freedom party is polling at 15%.
  • (13) With a stroke of his pen, he effectively declared the end of racism in America.
  • (14) The 27-year-old has put pen to paper on a three-and-a-half-year deal at the Emirates – he will wear the No23 shirt at the club – though confirmation that the deal had been ratified by the Premier League did not come until just before 5pm tonight.
  • (15) Harnessing its greatest asset – its authors – PEN is planning to publish an open letter to each of the five imprisoned writers every day this week, in the run up to the 33rd annual Day of the Imprisoned Writer on 15 November.
  • (16) An area on top of a hill near to the spot where Sharon was laid to rest alongside his late wife, Lily, was penned off with crash barriers.
  • (17) Deaths, 40 on CAZ and 21 on AG+PEN, were mainly related to their underlying condition.
  • (18) There is a god who protects me, and I just don’t believe Hofer will send me to a concentration camp.” Like Marine Le Pen’s Front National, the Freedom party has actively tried to distance itself from its antisemitic past since at least 2010, when it joined a cross-party alliance in the European parliament with Geert Wilders’ Party for Freedom and Italy’s Northern League.
  • (19) But Ukip is not the NF nor Trump, Nigel Farage is not Le Pen, father, daughter or niece Marion.
  • (20) I don’t think we should spend too long doing it.” Farage enjoyed support from the far-right French politician and Front National leader, Marine Le Pen , who spoke next.

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